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70694432 = 2517129953
BaseRepresentation
bin1000011011010…
…11011000100000
311221000122112022
410031223120200
5121044210212
611003121012
71515615134
oct415533040
9157018468
1070694432
11369a5856
121b813168
1311852933
1495633c4
156316772
hex436b620

70694432 has 24 divisors (see below), whose sum is σ = 147367836. Its totient is φ = 33267712.

The previous prime is 70694419. The next prime is 70694453. The reversal of 70694432 is 23449607.

It can be written as a sum of positive squares in 2 ways, for example, as 68492176 + 2202256 = 8276^2 + 1484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70694392 and 70694401.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 64433 + ... + 65520.

Almost surely, 270694432 is an apocalyptic number.

It is an amenable number.

70694432 is an abundant number, since it is smaller than the sum of its proper divisors (76673404).

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

70694432 is a wasteful number, since it uses less digits than its factorization.

70694432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129980 (or 129972 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 70694432 is about 8407.9980970502. The cubic root of 70694432 is about 413.4868824816.

The spelling of 70694432 in words is "seventy million, six hundred ninety-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 129953 259906 519812 1039624 2079248 2209201 4158496 4418402 8836804 17673608 35347216 70694432