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2057444900 = 225272939207
BaseRepresentation
bin111101010100010…
…0001111000100100
312022101110000210222
41322220201320210
513203201214100
6540054103512
7101661664430
oct17250417044
95271400728
102057444900
11966412895
1249504ab98
1326a33b324
1415736d9c0
15c095d485
hex7aa21e24

2057444900 has 36 divisors (see below), whose sum is σ = 5102465088. Its totient is φ = 705409440.

The previous prime is 2057444897. The next prime is 2057444947. The reversal of 2057444900 is 94447502.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1468904 + ... + 1470303.

Almost surely, 22057444900 is an apocalyptic number.

2057444900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057444900 is an abundant number, since it is smaller than the sum of its proper divisors (3045020188).

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

2057444900 is a wasteful number, since it uses less digits than its factorization.

2057444900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939228 (or 2939221 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2057444900 is about 45359.0663484159. The cubic root of 2057444900 is about 1271.8700414740.

The spelling of 2057444900 in words is "two billion, fifty-seven million, four hundred forty-four thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 2939207 5878414 11756828 14696035 20574449 29392070 41148898 58784140 73480175 82297796 102872245 146960350 205744490 293920700 411488980 514361225 1028722450 2057444900