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3153640040 = 23578841001
BaseRepresentation
bin1011101111111000…
…1011101001101000
322010210010111211222
42323332023221220
522424312440130
61240533241212
7141102332555
oct27376135150
98123114758
103153640040
111379169491
12740193208
133b34891c5
1421cb9ba2c
15136ce1ce5
hexbbf8ba68

3153640040 has 16 divisors (see below), whose sum is σ = 7095690180. Its totient is φ = 1261456000.

The previous prime is 3153640031. The next prime is 3153640043. The reversal of 3153640040 is 400463513.

It can be written as a sum of positive squares in 2 ways, for example, as 3108508516 + 45131524 = 55754^2 + 6718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3153639991 and 3153640009.

It is not an unprimeable number, because it can be changed into a prime (3153640043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39420461 + ... + 39420540.

Almost surely, 23153640040 is an apocalyptic number.

It is an amenable number.

3153640040 is an abundant number, since it is smaller than the sum of its proper divisors (3942050140).

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

3153640040 is a wasteful number, since it uses less digits than its factorization.

3153640040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78841012 (or 78841008 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3153640040 is about 56157.2794925110. The cubic root of 3153640040 is about 1466.4616396140.

The spelling of 3153640040 in words is "three billion, one hundred fifty-three million, six hundred forty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 78841001 157682002 315364004 394205005 630728008 788410010 1576820020 3153640040