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380400240450 = 23522536001603
BaseRepresentation
bin1011000100100011001…
…11110000011101000010
31100100212202011102102110
411202101213300131002
522213024430143300
6450430425200150
736324446456616
oct5422147603502
91310782142373
10380400240450
11137366022a0a
1261883330056
1329b43b5a599
14145a9105346
159d65d8c550
hex58919f0742

380400240450 has 24 divisors (see below), whose sum is σ = 943392596688. Its totient is φ = 101440064080.

The previous prime is 380400240419. The next prime is 380400240457. The reversal of 380400240450 is 54042004083.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (380400240457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1268000652 + ... + 1268000951.

It is an arithmetic number, because the mean of its divisors is an integer number (39308024862).

Almost surely, 2380400240450 is an apocalyptic number.

380400240450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

380400240450 is an abundant number, since it is smaller than the sum of its proper divisors (562992356238).

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

380400240450 is a wasteful number, since it uses less digits than its factorization.

380400240450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536001618 (or 2536001613 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 380400240450 in words is "three hundred eighty billion, four hundred million, two hundred forty thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 2536001603 5072003206 7608004809 12680008015 15216009618 25360016030 38040024045 63400040075 76080048090 126800080150 190200120225 380400240450