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149694608 = 2472414657
BaseRepresentation
bin10001110110000…
…10100010010000
3101102200021101202
420323002202100
5301310211413
622504250332
73465245300
oct1073024220
9342607352
10149694608
1177553858
12421709a8
1325022bbb
1415c49600
15d21de58
hex8ec2890

149694608 has 60 divisors (see below), whose sum is σ = 345688812. Its totient is φ = 62576640.

The previous prime is 149694593. The next prime is 149694613. The reversal of 149694608 is 806496941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12054784 + 137639824 = 3472^2 + 11732^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29816 + ... + 34472.

Almost surely, 2149694608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149694608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172844406).

149694608 is an abundant number, since it is smaller than the sum of its proper divisors (195994204).

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

149694608 is a wasteful number, since it uses less digits than its factorization.

149694608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720 (or 4707 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 149694608 is about 12234.9747854256. The cubic root of 149694608 is about 530.9684535742.

The spelling of 149694608 in words is "one hundred forty-nine million, six hundred ninety-four thousand, six hundred eight".

Divisors: 1 2 4 7 8 14 16 28 41 49 56 82 98 112 164 196 287 328 392 574 656 784 1148 2009 2296 4018 4592 4657 8036 9314 16072 18628 32144 32599 37256 65198 74512 130396 190937 228193 260792 381874 456386 521584 763748 912772 1336559 1527496 1825544 2673118 3054992 3651088 5346236 9355913 10692472 18711826 21384944 37423652 74847304 149694608