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70895440 = 24571117677
BaseRepresentation
bin1000011100111…
…00011101010000
311221101212021001
410032130131100
5121122123230
611011311344
71520413150
oct416343520
9157355231
1070895440
1137022880
121b8ab554
13118c3285
1495b6760
1563560ca
hex439c750

70895440 has 160 divisors (see below), whose sum is σ = 217914624. Its totient is φ = 20766720.

The previous prime is 70895431. The next prime is 70895449. The reversal of 70895440 is 4459807.

It is an interprime number because it is at equal distance from previous prime (70895431) and next prime (70895449).

It is a self number, because there is not a number n which added to its sum of digits gives 70895440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70895449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104382 + ... + 105058.

Almost surely, 270895440 is an apocalyptic number.

70895440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70895440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108957312).

70895440 is an abundant number, since it is smaller than the sum of its proper divisors (147019184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70895440 is a wasteful number, since it uses less digits than its factorization.

70895440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 70895440 is about 8419.9429926811. The cubic root of 70895440 is about 413.8784056388.

The spelling of 70895440 in words is "seventy million, eight hundred ninety-five thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 11 14 16 17 20 22 28 34 35 40 44 55 56 68 70 77 80 85 88 110 112 119 136 140 154 170 176 187 220 238 272 280 308 340 374 385 440 476 560 595 616 677 680 748 770 880 935 952 1190 1232 1309 1354 1360 1496 1540 1870 1904 2380 2618 2708 2992 3080 3385 3740 4739 4760 5236 5416 6160 6545 6770 7447 7480 9478 9520 10472 10832 11509 13090 13540 14894 14960 18956 20944 23018 23695 26180 27080 29788 37235 37912 46036 47390 52129 52360 54160 57545 59576 74470 75824 80563 92072 94780 104258 104720 115090 119152 126599 148940 161126 184144 189560 208516 230180 253198 260645 297880 322252 379120 402815 417032 460360 506396 521290 595760 632995 644504 805630 834064 886193 920720 1012792 1042580 1265990 1289008 1611260 1772386 2025584 2085160 2531980 3222520 3544772 4170320 4430965 5063960 6445040 7089544 8861930 10127920 14179088 17723860 35447720 70895440