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16907070 = 23523107229
BaseRepresentation
bin100000001111…
…1101100111110
31011210222010210
41000133230332
513312011240
61402213250
7263464515
oct100375476
934728123
1016907070
1195a8594
1257b4226
13366c6ab
14236167c
15173e780
hex101fb3e

16907070 has 64 divisors (see below), whose sum is σ = 42923520. Its totient is φ = 4253568.

The previous prime is 16907057. The next prime is 16907071. The reversal of 16907070 is 7070961.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16907071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73716 + ... + 73944.

It is an arithmetic number, because the mean of its divisors is an integer number (670680).

Almost surely, 216907070 is an apocalyptic number.

16907070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16907070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21461760).

16907070 is an abundant number, since it is smaller than the sum of its proper divisors (26016450).

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

16907070 is a wasteful number, since it uses less digits than its factorization.

16907070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 16907070 is about 4111.8207645762. The cubic root of 16907070 is about 256.6587748928.

The spelling of 16907070 in words is "sixteen million, nine hundred seven thousand, seventy".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 107 115 138 214 229 230 321 345 458 535 642 687 690 1070 1145 1374 1605 2290 2461 3210 3435 4922 5267 6870 7383 10534 12305 14766 15801 24503 24610 26335 31602 36915 49006 52670 73509 73830 79005 122515 147018 158010 245030 367545 563569 735090 1127138 1690707 2817845 3381414 5635690 8453535 16907070