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55270698 = 2371315969
BaseRepresentation
bin1101001011010…
…1110100101010
310212000001010220
43102311310222
5103122130243
65252350510
71240536030
oct322656452
9125001126
1055270698
112922076a
1216615436
13b5b2472
1474aa550
154cbb783
hex34b5d2a

55270698 has 16 divisors (see below), whose sum is σ = 126333120. Its totient is φ = 15791616.

The previous prime is 55270693. The next prime is 55270717. The reversal of 55270698 is 89607255.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1315969 = 55270698 / (5 + 5 + 2 + 7 + 0 + 6 + 9 + 8).

It is not an unprimeable number, because it can be changed into a prime (55270693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657943 + ... + 658026.

It is an arithmetic number, because the mean of its divisors is an integer number (7895820).

Almost surely, 255270698 is an apocalyptic number.

55270698 is an abundant number, since it is smaller than the sum of its proper divisors (71062422).

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

55270698 is a wasteful number, since it uses less digits than its factorization.

55270698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315981.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 55270698 is about 7434.4265414355. The cubic root of 55270698 is about 380.9181353586.

The spelling of 55270698 in words is "fifty-five million, two hundred seventy thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 1315969 2631938 3947907 7895814 9211783 18423566 27635349 55270698