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16372970 = 256612477
BaseRepresentation
bin111110011101…
…010011101010
31010210211111022
4332131103222
513142413340
61342532442
7256111415
oct76352352
933724438
1016372970
119273289
125597122
133513563
142262b7c
1516863b5
hexf9d4ea

16372970 has 16 divisors (see below), whose sum is σ = 29527848. Its totient is φ = 6536640.

The previous prime is 16372963. The next prime is 16372973. The reversal of 16372970 is 7927361.

It can be written as a sum of positive squares in 4 ways, for example, as 14891881 + 1481089 = 3859^2 + 1217^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16372970.

It is not an unprimeable number, because it can be changed into a prime (16372973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5372 + ... + 7848.

Almost surely, 216372970 is an apocalyptic number.

16372970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16372970 is a deficient number, since it is larger than the sum of its proper divisors (13154878).

16372970 is a wasteful number, since it uses less digits than its factorization.

16372970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 16372970 is about 4046.3526786478. The cubic root of 16372970 is about 253.9271599679.

The spelling of 16372970 in words is "sixteen million, three hundred seventy-two thousand, nine hundred seventy".

Divisors: 1 2 5 10 661 1322 2477 3305 4954 6610 12385 24770 1637297 3274594 8186485 16372970