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1040052072 = 23353817651
BaseRepresentation
bin111101111111011…
…110111101101000
32200111001010020010
4331333132331220
54112223131242
6251111531520
734526203533
oct7577367550
92614033203
101040052072
1149409a574
12250389ba0
13137621637
149c1b5a1a
156149389c
hex3dfdef68

1040052072 has 32 divisors (see below), whose sum is σ = 2649192480. Its totient is φ = 340142400.

The previous prime is 1040052067. The next prime is 1040052107. The reversal of 1040052072 is 2702500401.

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, 407554 + ... + 410097.

It is an arithmetic number, because the mean of its divisors is an integer number (82787265).

Almost surely, 21040052072 is an apocalyptic number.

1040052072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1040052072 is an abundant number, since it is smaller than the sum of its proper divisors (1609140408).

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

1040052072 is a wasteful number, since it uses less digits than its factorization.

1040052072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817713 (or 817709 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1040052072 is about 32249.8383251761. The cubic root of 1040052072 is about 1013.1763129086.

Adding to 1040052072 its reverse (2702500401), we get a palindrome (3742552473).

The spelling of 1040052072 in words is "one billion, forty million, fifty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 817651 1635302 2452953 3270604 4905906 6541208 9811812 19623624 43335503 86671006 130006509 173342012 260013018 346684024 520026036 1040052072