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103012432 = 2443314869
BaseRepresentation
bin1100010001111…
…01100001010000
321011211120111021
412020331201100
5202332344212
614115525224
72360406535
oct610754120
9234746437
10103012432
1153169846
122a5b9814
1318459a03
14d976d8c
15909c307
hex623d850

103012432 has 20 divisors (see below), whose sum is σ = 200060980. Its totient is φ = 51383808.

The previous prime is 103012421. The next prime is 103012451. The reversal of 103012432 is 234210301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17338896 + 85673536 = 4164^2 + 9256^2 .

It is a super-2 number, since 2×1030124322 = 21223122293109248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507 + ... + 14362.

It is an arithmetic number, because the mean of its divisors is an integer number (10003049).

Almost surely, 2103012432 is an apocalyptic number.

It is an amenable number.

103012432 is a deficient number, since it is larger than the sum of its proper divisors (97048548).

103012432 is a wasteful number, since it uses less digits than its factorization.

103012432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15310 (or 15304 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103012432 is about 10149.5040272912. The cubic root of 103012432 is about 468.7736734237.

Adding to 103012432 its reverse (234210301), we get a palindrome (337222733).

The spelling of 103012432 in words is "one hundred three million, twelve thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 433 866 1732 3464 6928 14869 29738 59476 118952 237904 6438277 12876554 25753108 51506216 103012432