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1042431654 = 231115794419
BaseRepresentation
bin111110001000100…
…011111010100110
32200122112000101210
4332020203322212
54113330303104
6251234532250
734555344225
oct7610437246
92618460353
101042431654
11495475370
12251137086
13137c75784
149c634cbc
15617b3989
hex3e223ea6

1042431654 has 16 divisors (see below), whose sum is σ = 2274396480. Its totient is φ = 315888360.

The previous prime is 1042431641. The next prime is 1042431707. The reversal of 1042431654 is 4561342401.

It is a super-2 number, since 2×10424316542 = 2173327506522351432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7897144 + ... + 7897275.

It is an arithmetic number, because the mean of its divisors is an integer number (142149780).

Almost surely, 21042431654 is an apocalyptic number.

1042431654 is an abundant number, since it is smaller than the sum of its proper divisors (1231964826).

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

1042431654 is a wasteful number, since it uses less digits than its factorization.

1042431654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15794435.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1042431654 is about 32286.7101761700. The cubic root of 1042431654 is about 1013.9484216068.

The spelling of 1042431654 in words is "one billion, forty-two million, four hundred thirty-one thousand, six hundred fifty-four".

Divisors: 1 2 3 6 11 22 33 66 15794419 31588838 47383257 94766514 173738609 347477218 521215827 1042431654