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145926438 = 2373474439
BaseRepresentation
bin10001011001010…
…10100100100110
3101011120211102220
420230222210212
5244324121223
622251413210
73421232340
oct1054524446
9334524386
10145926438
117540a769
1240a54206
1324303a08
1415548290
15cc276e3
hex8b2a926

145926438 has 16 divisors (see below), whose sum is σ = 333546240. Its totient is φ = 41693256.

The previous prime is 145926427. The next prime is 145926449. The reversal of 145926438 is 834629541.

It is an interprime number because it is at equal distance from previous prime (145926427) and next prime (145926449).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3474439 = 145926438 / (1 + 4 + 5 + 9 + 2 + 6 + 4 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 145926438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1737178 + ... + 1737261.

It is an arithmetic number, because the mean of its divisors is an integer number (20846640).

Almost surely, 2145926438 is an apocalyptic number.

145926438 is an abundant number, since it is smaller than the sum of its proper divisors (187619802).

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

145926438 is a wasteful number, since it uses less digits than its factorization.

145926438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474451.

The product of its digits is 207360, while the sum is 42.

The square root of 145926438 is about 12080.0015728476. The cubic root of 145926438 is about 526.4752916997.

The spelling of 145926438 in words is "one hundred forty-five million, nine hundred twenty-six thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 3474439 6948878 10423317 20846634 24321073 48642146 72963219 145926438