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705095680 = 2115371861
BaseRepresentation
bin101010000001101…
…110100000000000
31211010202120102211
4222001232200000
52421001030210
6153544351504
723321133352
oct5201564000
91733676384
10705095680
1133200a903
12178175594
13b31048a3
14699030d2
1541d7c38a
hex2a06e800

705095680 has 96 divisors (see below), whose sum is σ = 1738474920. Its totient is φ = 274268160.

The previous prime is 705095669. The next prime is 705095683. The reversal of 705095680 is 86590507.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 472105984 + 232989696 = 21728^2 + 15264^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (705095683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377950 + ... + 379810.

Almost surely, 2705095680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705095680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869237460).

705095680 is an abundant number, since it is smaller than the sum of its proper divisors (1033379240).

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

705095680 is a wasteful number, since it uses less digits than its factorization.

705095680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 705095680 is about 26553.6377922122. The cubic root of 705095680 is about 890.0533065744.

The spelling of 705095680 in words is "seven hundred five million, ninety-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 37 40 64 74 80 128 148 160 185 256 296 320 370 512 592 640 740 1024 1184 1280 1480 1861 2048 2368 2560 2960 3722 4736 5120 5920 7444 9305 9472 10240 11840 14888 18610 18944 23680 29776 37220 37888 47360 59552 68857 74440 75776 94720 119104 137714 148880 189440 238208 275428 297760 344285 378880 476416 550856 595520 688570 952832 1101712 1191040 1377140 1905664 2203424 2382080 2754280 3811328 4406848 4764160 5508560 8813696 9528320 11017120 17627392 19056640 22034240 35254784 44068480 70509568 88136960 141019136 176273920 352547840 705095680