Search a number
-
+
70145796 = 22371943951
BaseRepresentation
bin1000010111001…
…01011100000100
311212222202221110
410023211130010
5120424131141
610543245020
71511141460
oct413453404
9155882843
1070145796
1136660636
121b5a9770
13116bccb6
14945d4a0
156258e16
hex42e5704

70145796 has 48 divisors (see below), whose sum is σ = 196904960. Its totient is φ = 18986400.

The previous prime is 70145743. The next prime is 70145797. The reversal of 70145796 is 69754107.

It is not an unprimeable number, because it can be changed into a prime (70145797) 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, 20380 + ... + 23571.

Almost surely, 270145796 is an apocalyptic number.

70145796 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

70145796 is an abundant number, since it is smaller than the sum of its proper divisors (126759164).

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

70145796 is a wasteful number, since it uses less digits than its factorization.

70145796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43984 (or 43982 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 70145796 is about 8375.3087107282. The cubic root of 70145796 is about 412.4144586626.

The spelling of 70145796 in words is "seventy million, one hundred forty-five thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 43951 87902 131853 175804 263706 307657 527412 615314 835069 922971 1230628 1670138 1845942 2505207 3340276 3691884 5010414 5845483 10020828 11690966 17536449 23381932 35072898 70145796