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1072630837 = 1352379319
BaseRepresentation
bin111111111011110…
…000110000110101
32202202100021220001
4333323300300311
54144043141322
6254234111301
735403132415
oct7773606065
92682307801
101072630837
11500521473
1225b27b531
131412ba305
14a2656645
156427b827
hex3fef0c35

1072630837 has 4 divisors (see below), whose sum is σ = 1072723680. Its totient is φ = 1072537996.

The previous prime is 1072630831. The next prime is 1072630841. The reversal of 1072630837 is 7380362701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1072630837 - 211 = 1072628789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1072630796 and 1072630805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072630831) 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, 26137 + ... + 53182.

It is an arithmetic number, because the mean of its divisors is an integer number (268180920).

Almost surely, 21072630837 is an apocalyptic number.

It is an amenable number.

1072630837 is a deficient number, since it is larger than the sum of its proper divisors (92843).

1072630837 is an equidigital number, since it uses as much as digits as its factorization.

1072630837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92842.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1072630837 is about 32751.0432963593. The cubic root of 1072630837 is about 1023.6467048661.

The spelling of 1072630837 in words is "one billion, seventy-two million, six hundred thirty thousand, eight hundred thirty-seven".

Divisors: 1 13523 79319 1072630837