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368640429 = 3311395113
BaseRepresentation
bin10101111110010…
…000000110101101
3221200122212121020
4111332100012231
51223332443204
6100325124353
712064251303
oct2576200655
9850585536
10368640429
1117a0a7013
12a35596b9
135b4b1841
1436d60273
152256bbd9
hex15f901ad

368640429 has 8 divisors (see below), whose sum is σ = 493102272. Its totient is φ = 244969440.

The previous prime is 368640409. The next prime is 368640457. The reversal of 368640429 is 924046863.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 368640429 - 25 = 368640397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368640409) 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, 196624 + ... + 198489.

It is an arithmetic number, because the mean of its divisors is an integer number (61637784).

Almost surely, 2368640429 is an apocalyptic number.

It is an amenable number.

368640429 is a deficient number, since it is larger than the sum of its proper divisors (124461843).

368640429 is a wasteful number, since it uses less digits than its factorization.

368640429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395427.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 368640429 is about 19200.0111718717. The cubic root of 368640429 is about 717.0250375918.

The spelling of 368640429 in words is "three hundred sixty-eight million, six hundred forty thousand, four hundred twenty-nine".

Divisors: 1 3 311 933 395113 1185339 122880143 368640429