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101894142 = 2378927259
BaseRepresentation
bin1100001001011…
…00011111111110
321002201202111010
412010230133332
5202041103032
614035540050
72345041320
oct604543776
9232652433
10101894142
1152575639
122a15a626
13181579bc
14d765610
158e2accc
hex612c7fe

101894142 has 32 divisors (see below), whose sum is σ = 235526400. Its totient is φ = 28784448.

The previous prime is 101894137. The next prime is 101894147. The reversal of 101894142 is 241498101.

It is an interprime number because it is at equal distance from previous prime (101894137) and next prime (101894147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101894147) 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, 9892 + ... + 17367.

It is an arithmetic number, because the mean of its divisors is an integer number (7360200).

Almost surely, 2101894142 is an apocalyptic number.

101894142 is an abundant number, since it is smaller than the sum of its proper divisors (133632258).

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

101894142 is a wasteful number, since it uses less digits than its factorization.

101894142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27360.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 101894142 is about 10094.2628259819. The cubic root of 101894142 is about 467.0711817973.

The spelling of 101894142 in words is "one hundred one million, eight hundred ninety-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 89 178 267 534 623 1246 1869 3738 27259 54518 81777 163554 190813 381626 572439 1144878 2426051 4852102 7278153 14556306 16982357 33964714 50947071 101894142