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149610239 = 2383109719
BaseRepresentation
bin10001110101011…
…01111011111111
3101102111222122222
420322231323333
5301300011424
622502355555
73464444312
oct1072557377
9342458588
10149610239
11774a6429
124212bbbb
1324cc368c
1415c26979
15d203e5e
hex8eadeff

149610239 has 16 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 139889376.

The previous prime is 149610221. The next prime is 149610257. The reversal of 149610239 is 932016941.

It is an interprime number because it is at equal distance from previous prime (149610221) and next prime (149610257).

It is a cyclic number.

It is not a de Polignac number, because 149610239 - 28 = 149609983 is a prime.

It is a super-2 number, since 2×1496102392 = 44766447227274242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149610199 and 149610208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149610299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207722 + ... + 208440.

It is an arithmetic number, because the mean of its divisors is an integer number (9979200).

Almost surely, 2149610239 is an apocalyptic number.

149610239 is a deficient number, since it is larger than the sum of its proper divisors (10056961).

149610239 is a wasteful number, since it uses less digits than its factorization.

149610239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 149610239 is about 12231.5264378572. The cubic root of 149610239 is about 530.8686822315.

The spelling of 149610239 in words is "one hundred forty-nine million, six hundred ten thousand, two hundred thirty-nine".

Divisors: 1 23 83 109 719 1909 2507 9047 16537 59677 78371 208081 1372571 1802533 6504793 149610239