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70952121 = 3216747207
BaseRepresentation
bin1000011101010…
…10010010111001
311221111202000100
410032222102321
5121130431441
611012430013
71521040332
oct416522271
9157452010
1070952121
1137061419
121b918309
1311913006
1495cd289
156367cb6
hex43aa4b9

70952121 has 12 divisors (see below), whose sum is σ = 103102272. Its totient is φ = 47017176.

The previous prime is 70952083. The next prime is 70952143. The reversal of 70952121 is 12125907.

It is not a de Polignac number, because 70952121 - 211 = 70950073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70952221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22101 + ... + 25106.

It is an arithmetic number, because the mean of its divisors is an integer number (8591856).

Almost surely, 270952121 is an apocalyptic number.

It is an amenable number.

70952121 is a deficient number, since it is larger than the sum of its proper divisors (32150151).

70952121 is a wasteful number, since it uses less digits than its factorization.

70952121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47380 (or 47377 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 70952121 is about 8423.3081980894. The cubic root of 70952121 is about 413.9886750385.

It can be divided in two parts, 7095 and 2121, that added together give a square (9216 = 962).

The spelling of 70952121 in words is "seventy million, nine hundred fifty-two thousand, one hundred twenty-one".

Divisors: 1 3 9 167 501 1503 47207 141621 424863 7883569 23650707 70952121