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151103144 = 23181241433
BaseRepresentation
bin10010000000110…
…10011010101000
3101112022211112202
421000122122220
5302140300034
622554355332
73513232643
oct1100323250
9345284482
10151103144
1178326035
124272bb48
13253c705a
14160d4a5a
15d3eb47e
hex901a6a8

151103144 has 32 divisors (see below), whose sum is σ = 286726440. Its totient is φ = 74649600.

The previous prime is 151103093. The next prime is 151103149. The reversal of 151103144 is 441301151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69923044 + 81180100 = 8362^2 + 9010^2 .

It is not an unprimeable number, because it can be changed into a prime (151103149) 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, 348752 + ... + 349184.

Almost surely, 2151103144 is an apocalyptic number.

It is an amenable number.

151103144 is a deficient number, since it is larger than the sum of its proper divisors (135623296).

151103144 is a wasteful number, since it uses less digits than its factorization.

151103144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 151103144 is about 12292.4018808368. The cubic root of 151103144 is about 532.6286216810.

Adding to 151103144 its reverse (441301151), we get a palindrome (592404295).

The spelling of 151103144 in words is "one hundred fifty-one million, one hundred three thousand, one hundred forty-four".

Divisors: 1 2 4 8 181 241 362 433 482 724 866 964 1448 1732 1928 3464 43621 78373 87242 104353 156746 174484 208706 313492 348968 417412 626984 834824 18887893 37775786 75551572 151103144