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45053400 = 23352717631
BaseRepresentation
bin1010101111011…
…1010111011000
310010202221122110
42223313113120
543013202100
64245352320
71054643010
oct253672730
9103687573
1045053400
1123482317
12131086a0
139445a22
145daac40
153e4e250
hex2af75d8

45053400 has 192 divisors, whose sum is σ = 169274880. Its totient is φ = 9676800.

The previous prime is 45053399. The next prime is 45053419. The reversal of 45053400 is 435054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71085 + ... + 71715.

It is an arithmetic number, because the mean of its divisors is an integer number (881640).

Almost surely, 245053400 is an apocalyptic number.

45053400 is a gapful number since it is divisible by the number (40) 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 45053400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84637440).

45053400 is an abundant number, since it is smaller than the sum of its proper divisors (124221480).

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

45053400 is a wasteful number, since it uses less digits than its factorization.

45053400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 45053400 is about 6712.1829534064. The cubic root of 45053400 is about 355.8299697237.

Adding to 45053400 its reverse (435054), we get a palindrome (45488454).

The spelling of 45053400 in words is "forty-five million, fifty-three thousand, four hundred".