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103040418 = 23131321031
BaseRepresentation
bin1100010010001…
…00010110100010
321011212222212210
412021010112202
5202334243133
614120302550
72360554245
oct611042642
9234788783
10103040418
1153188878
122a611a56
1318469680
14d98325c
1590a5763
hex62445a2

103040418 has 16 divisors (see below), whose sum is σ = 221933376. Its totient is φ = 31704720.

The previous prime is 103040381. The next prime is 103040419. The reversal of 103040418 is 814040301.

It is a super-2 number, since 2×1030404182 = 21234655483229448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103040394 and 103040403.

It is not an unprimeable number, because it can be changed into a prime (103040419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660438 + ... + 660593.

It is an arithmetic number, because the mean of its divisors is an integer number (13870836).

Almost surely, 2103040418 is an apocalyptic number.

103040418 is an abundant number, since it is smaller than the sum of its proper divisors (118892958).

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

103040418 is a wasteful number, since it uses less digits than its factorization.

103040418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321049.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 103040418 is about 10150.8826217231. The cubic root of 103040418 is about 468.8161210904.

Adding to 103040418 its reverse (814040301), we get a palindrome (917080719).

The spelling of 103040418 in words is "one hundred three million, forty thousand, four hundred eighteen".

Divisors: 1 2 3 6 13 26 39 78 1321031 2642062 3963093 7926186 17173403 34346806 51520209 103040418