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102422040 = 23357121931
BaseRepresentation
bin1100001101011…
…01011000011000
321010201120121220
412012231120120
5202210001130
614055132040
72352400350
oct606553030
9233646556
10102422040
11528a6216
122a374020
13182b1076
14d861b60
158ed2410
hex61ad618

102422040 has 64 divisors (see below), whose sum is σ = 351164160. Its totient is φ = 23410560.

The previous prime is 102422017. The next prime is 102422057. The reversal of 102422040 is 40224201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60126 + ... + 61805.

It is an arithmetic number, because the mean of its divisors is an integer number (5486940).

Almost surely, 2102422040 is an apocalyptic number.

102422040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102422040 is an abundant number, since it is smaller than the sum of its proper divisors (248742120).

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

102422040 is a wasteful number, since it uses less digits than its factorization.

102422040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121952 (or 121948 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 102422040 is about 10120.3774633163. The cubic root of 102422040 is about 467.8764009932.

Adding to 102422040 its reverse (40224201), we get a palindrome (142646241).

The spelling of 102422040 in words is "one hundred two million, four hundred twenty-two thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 121931 243862 365793 487724 609655 731586 853517 975448 1219310 1463172 1707034 1828965 2438620 2560551 2926344 3414068 3657930 4267585 4877240 5121102 6828136 7315860 8535170 10242204 12802755 14631720 17070340 20484408 25605510 34140680 51211020 102422040