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52371900 = 223352717163
BaseRepresentation
bin1100011111001…
…0000110111100
310122112202202000
43013302012330
5101401400100
65110302300
71204103520
oct307620674
9118482660
1052371900
1127620869
1215657990
13ab08bb9
146d53d80
1548e7900
hex31f21bc

52371900 has 288 divisors, whose sum is σ = 204986880. Its totient is φ = 11197440.

The previous prime is 52371871. The next prime is 52371911. The reversal of 52371900 is 917325.

It is a super-2 number, since 2×523719002 = 5485631819220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 321219 + ... + 321381.

It is an arithmetic number, because the mean of its divisors is an integer number (711760).

Almost surely, 252371900 is an apocalyptic number.

52371900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52371900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102493440).

52371900 is an abundant number, since it is smaller than the sum of its proper divisors (152614980).

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

52371900 is a wasteful number, since it uses less digits than its factorization.

52371900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 52371900 is about 7236.8432344497. The cubic root of 52371900 is about 374.1388238489.

The spelling of 52371900 in words is "fifty-two million, three hundred seventy-one thousand, nine hundred".