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70045120 = 2652331307
BaseRepresentation
bin1000010110011…
…00110111000000
311212210122211201
410023030313000
5120412420440
610541150544
71510242115
oct413146700
9155718751
1070045120
11365a1a32
121b55b454
1311686222
14943490c
15623919a
hex42ccdc0

70045120 has 112 divisors (see below), whose sum is σ = 180246528. Its totient is φ = 25850880.

The previous prime is 70045103. The next prime is 70045127. The reversal of 70045120 is 2154007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70045127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228007 + ... + 228313.

It is an arithmetic number, because the mean of its divisors is an integer number (1609344).

Almost surely, 270045120 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 70045120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90123264).

70045120 is an abundant number, since it is smaller than the sum of its proper divisors (110201408).

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

70045120 is a wasteful number, since it uses less digits than its factorization.

70045120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 70045120 is about 8369.2962667120. The cubic root of 70045120 is about 412.2170597208.

Adding to 70045120 its reverse (2154007), we get a palindrome (72199127).

The spelling of 70045120 in words is "seventy million, forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 31 32 40 46 62 64 80 92 115 124 155 160 184 230 248 307 310 320 368 460 496 614 620 713 736 920 992 1228 1240 1426 1472 1535 1840 1984 2456 2480 2852 3070 3565 3680 4912 4960 5704 6140 7061 7130 7360 9517 9824 9920 11408 12280 14122 14260 19034 19648 22816 24560 28244 28520 35305 38068 45632 47585 49120 56488 57040 70610 76136 95170 98240 112976 114080 141220 152272 190340 218891 225952 228160 282440 304544 380680 437782 451904 564880 609088 761360 875564 1094455 1129760 1522720 1751128 2188910 2259520 3045440 3502256 4377820 7004512 8755640 14009024 17511280 35022560 70045120