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2037980725 = 521138919051
BaseRepresentation
bin111100101111001…
…0001111000110101
312021000211010222121
41321132101320311
513133210340400
6534120555541
7101334356524
oct17136217065
95230733877
102037980725
119564290a0
1248a622bb1
132662b4a71
141549444bb
15bddb621a
hex79791e35

2037980725 has 24 divisors (see below), whose sum is σ = 2764064160. Its totient is φ = 1478280000.

The previous prime is 2037980701. The next prime is 2037980729. The reversal of 2037980725 is 5270897302.

It is not a de Polignac number, because 2037980725 - 213 = 2037972533 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2037980729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97450 + ... + 116500.

It is an arithmetic number, because the mean of its divisors is an integer number (115169340).

Almost surely, 22037980725 is an apocalyptic number.

2037980725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2037980725 is a deficient number, since it is larger than the sum of its proper divisors (726083435).

2037980725 is a wasteful number, since it uses less digits than its factorization.

2037980725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19461 (or 19456 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 2037980725 is about 45143.9998781676. Note that the first 3 decimals coincide. The cubic root of 2037980725 is about 1267.8465427855.

The spelling of 2037980725 in words is "two billion, thirty-seven million, nine hundred eighty thousand, seven hundred twenty-five".

Divisors: 1 5 11 25 55 275 389 1945 4279 9725 19051 21395 95255 106975 209561 476275 1047805 5239025 7410839 37054195 81519229 185270975 407596145 2037980725