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102440354 = 2294737579
BaseRepresentation
bin1100001101100…
…01110110100010
321010202111202012
412012301312202
5202211042404
614055352522
72352504632
oct606616642
9233674665
10102440354
1152908a55
122a382742
13182b94c3
14d8686c2
158ed7a6e
hex61b1da2

102440354 has 16 divisors (see below), whose sum is σ = 162345600. Its totient is φ = 48400464.

The previous prime is 102440339. The next prime is 102440357. The reversal of 102440354 is 453044201.

It is a super-2 number, since 2×1024403542 = 20988052255290632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102440357) by changing a digit.

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, 16064 + ... + 21515.

It is an arithmetic number, because the mean of its divisors is an integer number (10146600).

Almost surely, 2102440354 is an apocalyptic number.

102440354 is a deficient number, since it is larger than the sum of its proper divisors (59905246).

102440354 is a wasteful number, since it uses less digits than its factorization.

102440354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37657.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 102440354 is about 10121.2822310219. The cubic root of 102440354 is about 467.9042861949.

Adding to 102440354 its reverse (453044201), we get a palindrome (555484555).

The spelling of 102440354 in words is "one hundred two million, four hundred forty thousand, three hundred fifty-four".

Divisors: 1 2 29 47 58 94 1363 2726 37579 75158 1089791 1766213 2179582 3532426 51220177 102440354