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145726007 = 779263519
BaseRepresentation
bin10001010111110…
…01101000110111
3101011012122111112
420223321220313
5244301213012
622243225235
73416436110
oct1053715067
9334178445
10145726007
1175293119
124097821b
132426370b
14154d5207
15cbd8122
hex8af9a37

145726007 has 8 divisors (see below), whose sum is σ = 168652800. Its totient is φ = 123326424.

The previous prime is 145725977. The next prime is 145726027. The reversal of 145726007 is 700627541.

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

It is a cyclic number.

It is not a de Polignac number, because 145726007 - 220 = 144677431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145726027) 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, 131207 + ... + 132312.

It is an arithmetic number, because the mean of its divisors is an integer number (21081600).

Almost surely, 2145726007 is an apocalyptic number.

145726007 is a deficient number, since it is larger than the sum of its proper divisors (22926793).

145726007 is an equidigital number, since it uses as much as digits as its factorization.

145726007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263605.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 145726007 is about 12071.7027382221. The cubic root of 145726007 is about 526.2341420738.

The spelling of 145726007 in words is "one hundred forty-five million, seven hundred twenty-six thousand, seven".

Divisors: 1 7 79 553 263519 1844633 20818001 145726007