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154290330 = 23252696373
BaseRepresentation
bin10010011001001…
…00100010011010
3101202022202112200
421030210202122
5303444242310
623150551030
73552306015
oct1114444232
9352282480
10154290330
117a102677
1243808476
1325c7196c
14166c437c
15d82a9c0
hex932489a

154290330 has 48 divisors (see below), whose sum is σ = 402709320. Its totient is φ = 40984704.

The previous prime is 154290329. The next prime is 154290349. The reversal of 154290330 is 33092451.

154290330 is a `hidden beast` number, since 1 + 542 + 90 + 3 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 112338801 + 41951529 = 10599^2 + 6477^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154290294 and 154290303.

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 23 ways as a sum of consecutive naturals, for example, 21024 + ... + 27396.

Almost surely, 2154290330 is an apocalyptic number.

154290330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154290330 is an abundant number, since it is smaller than the sum of its proper divisors (248418990).

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

154290330 is a wasteful number, since it uses less digits than its factorization.

154290330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655 (or 6652 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 154290330 is about 12421.3658669246. The cubic root of 154290330 is about 536.3474695274.

The spelling of 154290330 in words is "one hundred fifty-four million, two hundred ninety thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 269 538 807 1345 1614 2421 2690 4035 4842 6373 8070 12105 12746 19119 24210 31865 38238 57357 63730 95595 114714 191190 286785 573570 1714337 3428674 5143011 8571685 10286022 15429033 17143370 25715055 30858066 51430110 77145165 154290330