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103151642 = 21123203857
BaseRepresentation
bin1100010010111…
…11100000011010
321012002122110012
412021133200122
5202401323032
614122521522
72361526436
oct611374032
9235078405
10103151642
11532543a0
122a6662a2
13184a8199
14d9b19c6
1590c86b2
hex625f81a

103151642 has 16 divisors (see below), whose sum is σ = 176133312. Its totient is φ = 44848320.

The previous prime is 103151611. The next prime is 103151677. The reversal of 103151642 is 246151301.

It is a super-2 number, since 2×1031516422 = 21280522494592328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101423 + ... + 102434.

It is an arithmetic number, because the mean of its divisors is an integer number (11008332).

Almost surely, 2103151642 is an apocalyptic number.

103151642 is a deficient number, since it is larger than the sum of its proper divisors (72981670).

103151642 is a wasteful number, since it uses less digits than its factorization.

103151642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203893.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 103151642 is about 10156.3596824847. The cubic root of 103151642 is about 468.9847437690.

The spelling of 103151642 in words is "one hundred three million, one hundred fifty-one thousand, six hundred forty-two".

Divisors: 1 2 11 22 23 46 253 506 203857 407714 2242427 4484854 4688711 9377422 51575821 103151642