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68955552 = 2532239429
BaseRepresentation
bin1000001110000…
…10110110100000
311210202022020100
410013002312200
5120123034202
610501542400
71465053411
oct407026640
9153668210
1068955552
1135a18366
121b114a00
1311394303
14922d808
1560c141c
hex41c2da0

68955552 has 36 divisors (see below), whose sum is σ = 196093170. Its totient is φ = 22985088.

The previous prime is 68955547. The next prime is 68955571. The reversal of 68955552 is 25555986.

68955552 is a `hidden beast` number, since 6 + 8 + 95 + 5 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 67963536 + 992016 = 8244^2 + 996^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68955498 and 68955507.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119427 + ... + 120002.

Almost surely, 268955552 is an apocalyptic number.

It is an amenable number.

68955552 is an abundant number, since it is smaller than the sum of its proper divisors (127137618).

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

68955552 is a wasteful number, since it uses less digits than its factorization.

68955552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239445 (or 239434 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 68955552 is about 8303.9479767157. The cubic root of 68955552 is about 410.0685033267.

The spelling of 68955552 in words is "sixty-eight million, nine hundred fifty-five thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 239429 478858 718287 957716 1436574 1915432 2154861 2873148 3830864 4309722 5746296 7661728 8619444 11492592 17238888 22985184 34477776 68955552