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149698970 = 2514969897
BaseRepresentation
bin10001110110000…
…11100110011010
3101102200111101022
420323003212122
5301310331340
622504322442
73465264101
oct1073034632
9342614338
10149698970
1177557063
1242173422
1325024b95
1415c4b038
15d2203b5
hex8ec399a

149698970 has 8 divisors (see below), whose sum is σ = 269458164. Its totient is φ = 59879584.

The previous prime is 149698963. The next prime is 149698981. The reversal of 149698970 is 79896941.

It is a happy number.

149698970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 145467721 + 4231249 = 12061^2 + 2057^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7484939 + ... + 7484958.

Almost surely, 2149698970 is an apocalyptic number.

149698970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149698970 is a deficient number, since it is larger than the sum of its proper divisors (119759194).

149698970 is a wasteful number, since it uses less digits than its factorization.

149698970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14969904.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 149698970 is about 12235.1530435872. The cubic root of 149698970 is about 530.9736108784.

The spelling of 149698970 in words is "one hundred forty-nine million, six hundred ninety-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 14969897 29939794 74849485 149698970