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151378097 = 1311644469
BaseRepresentation
bin10010000010111…
…01100010110001
3101112211210201012
421001131202301
5302223044342
623004320305
73515456363
oct1101354261
9345753635
10151378097
11784a3672
1242843095
1325492250
1416166d33
15d452b82
hex905d8b1

151378097 has 4 divisors (see below), whose sum is σ = 163022580. Its totient is φ = 139733616.

The previous prime is 151378079. The next prime is 151378133. The reversal of 151378097 is 790873151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13808656 + 137569441 = 3716^2 + 11729^2 .

It is a cyclic number.

It is not a de Polignac number, because 151378097 - 214 = 151361713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151378037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5822222 + ... + 5822247.

It is an arithmetic number, because the mean of its divisors is an integer number (40755645).

Almost surely, 2151378097 is an apocalyptic number.

It is an amenable number.

151378097 is a deficient number, since it is larger than the sum of its proper divisors (11644483).

151378097 is a wasteful number, since it uses less digits than its factorization.

151378097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11644482.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 151378097 is about 12303.5806576785. The cubic root of 151378097 is about 532.9514896591.

The spelling of 151378097 in words is "one hundred fifty-one million, three hundred seventy-eight thousand, ninety-seven".

Divisors: 1 13 11644469 151378097