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537991027 = 7177989643
BaseRepresentation
bin100000000100010…
…001011101110011
31101111022202221121
4200010101131303
52100211203102
6125215003111
716221563650
oct4004213563
91344282847
10537991027
11256755692
12130209497
13875c73b2
1451644c27
153236eb37
hex20111773

537991027 has 32 divisors (see below), whose sum is σ = 667699200. Its totient is φ = 423042048.

The previous prime is 537990983. The next prime is 537991049. The reversal of 537991027 is 720199735.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-537991027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537991057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 836368 + ... + 837010.

It is an arithmetic number, because the mean of its divisors is an integer number (20865600).

Almost surely, 2537991027 is an apocalyptic number.

537991027 is a deficient number, since it is larger than the sum of its proper divisors (129708173).

537991027 is a wasteful number, since it uses less digits than its factorization.

537991027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 537991027 is about 23194.6335819301. The cubic root of 537991027 is about 813.3141797462.

The spelling of 537991027 in words is "five hundred thirty-seven million, nine hundred ninety-one thousand, twenty-seven".

Divisors: 1 7 17 79 89 119 553 623 643 1343 1513 4501 7031 9401 10591 10931 49217 50797 57227 76517 119527 355579 400589 836689 863549 972859 4520933 6044843 6810013 31646531 76855861 537991027