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54726840 = 23345719127
BaseRepresentation
bin1101000011000…
…1000010111000
310210222102010000
43100301002320
5103002224330
65232553000
71233112320
oct320610270
9123872100
1054726840
112898a0a3
12163b2760
13b451a5c
1473a8280
154c10560
hex34310b8

54726840 has 320 divisors, whose sum is σ = 223027200. Its totient is φ = 11757312.

The previous prime is 54726787. The next prime is 54726851. The reversal of 54726840 is 4862745.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54726795 and 54726804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 430857 + ... + 430983.

It is an arithmetic number, because the mean of its divisors is an integer number (696960).

Almost surely, 254726840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54726840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111513600).

54726840 is an abundant number, since it is smaller than the sum of its proper divisors (168300360).

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

54726840 is a wasteful number, since it uses less digits than its factorization.

54726840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 54726840 is about 7397.7591201661. The cubic root of 54726840 is about 379.6646163620.

The spelling of 54726840 in words is "fifty-four million, seven hundred twenty-six thousand, eight hundred forty".