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100948638 = 2378092971
BaseRepresentation
bin1100000010001…
…01101010011110
321000221201111110
412001011222132
5201320324023
614003402450
72334022620
oct601055236
9230851443
10100948638
1151a8a22a
1229983426
1317bb652b
14d59ac10
158ce0a93
hex6045a9e

100948638 has 32 divisors (see below), whose sum is σ = 231102720. Its totient is φ = 28797120.

The previous prime is 100948637. The next prime is 100948651. The reversal of 100948638 is 836849001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100948596 and 100948605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100948637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32493 + ... + 35463.

It is an arithmetic number, because the mean of its divisors is an integer number (7221960).

Almost surely, 2100948638 is an apocalyptic number.

100948638 is an abundant number, since it is smaller than the sum of its proper divisors (130154082).

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

100948638 is a wasteful number, since it uses less digits than its factorization.

100948638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 100948638 is about 10047.3199411584. The cubic root of 100948638 is about 465.6219957045.

The spelling of 100948638 in words is "one hundred million, nine hundred forty-eight thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 809 1618 2427 2971 4854 5663 5942 8913 11326 16989 17826 20797 33978 41594 62391 124782 2403539 4807078 7210617 14421234 16824773 33649546 50474319 100948638