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1042415997 = 37424311699
BaseRepresentation
bin111110001000100…
…000000101111101
32200122111012220220
4332020200011331
54113324302442
6251234331553
734555250460
oct7610400575
92618435826
101042415997
11495464627
12251129bb9
13137c6b5cc
149c62d2d7
15617adeec
hex3e22017d

1042415997 has 16 divisors (see below), whose sum is σ = 1588953600. Its totient is φ = 595474992.

The previous prime is 1042415977. The next prime is 1042415999. The reversal of 1042415997 is 7995142401.

It is not a de Polignac number, because 1042415997 - 210 = 1042414973 is a prime.

It is a super-2 number, since 2×10424159972 = 2173262221603008018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042415999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83254 + ... + 94952.

It is an arithmetic number, because the mean of its divisors is an integer number (99309600).

Almost surely, 21042415997 is an apocalyptic number.

It is an amenable number.

1042415997 is a deficient number, since it is larger than the sum of its proper divisors (546537603).

1042415997 is a wasteful number, since it uses less digits than its factorization.

1042415997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15952.

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

The square root of 1042415997 is about 32286.4677070750. The cubic root of 1042415997 is about 1013.9433451845.

The spelling of 1042415997 in words is "one billion, forty-two million, four hundred fifteen thousand, nine hundred ninety-seven".

Divisors: 1 3 7 21 4243 11699 12729 29701 35097 81893 89103 245679 49638857 148916571 347471999 1042415997