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70298925 = 3522383491
BaseRepresentation
bin1000011000010…
…10110100101101
311220021112222220
410030022310231
5120444031200
610550425553
71512350064
oct414126455
9156245886
1070298925
1136755694
121b6622b9
13117448c8
14949d1db
1562894a0
hex430ad2d

70298925 has 48 divisors (see below), whose sum is σ = 122992128. Its totient is φ = 35358400.

The previous prime is 70298903. The next prime is 70298933. The reversal of 70298925 is 52989207.

It is not a de Polignac number, because 70298925 - 210 = 70297901 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142930 + ... + 143420.

It is an arithmetic number, because the mean of its divisors is an integer number (2562336).

Almost surely, 270298925 is an apocalyptic number.

70298925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70298925 is a deficient number, since it is larger than the sum of its proper divisors (52693203).

70298925 is a wasteful number, since it uses less digits than its factorization.

70298925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 70298925 is about 8384.4454199428. The cubic root of 70298925 is about 412.7143422319.

The spelling of 70298925 in words is "seventy million, two hundred ninety-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 83 115 249 345 415 491 575 1245 1473 1725 1909 2075 2455 5727 6225 7365 9545 11293 12275 28635 33879 36825 40753 47725 56465 122259 143175 169395 203765 282325 611295 846975 937319 1018825 2811957 3056475 4686595 14059785 23432975 70298925