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307244070 = 23357162563
BaseRepresentation
bin10010010100000…
…010110000100110
3210102010121122000
4102110002300212
51112123302240
650253150130
710420350210
oct2224026046
9712117560
10307244070
11148482021
1286a8b346
134b866133
142cb3b5b0
151be90430
hex12502c26

307244070 has 64 divisors (see below), whose sum is σ = 936368640. Its totient is φ = 70226784.

The previous prime is 307244011. The next prime is 307244089. The reversal of 307244070 is 70442703.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79392 + ... + 83171.

It is an arithmetic number, because the mean of its divisors is an integer number (14630760).

Almost surely, 2307244070 is an apocalyptic number.

307244070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

307244070 is an abundant number, since it is smaller than the sum of its proper divisors (629124570).

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

307244070 is a wasteful number, since it uses less digits than its factorization.

307244070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162586 (or 162580 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 307244070 is about 17528.3789895130. The cubic root of 307244070 is about 674.7783963909.

Adding to 307244070 its reverse (70442703), we get a palindrome (377686773).

The spelling of 307244070 in words is "three hundred seven million, two hundred forty-four thousand, seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 162563 325126 487689 812815 975378 1137941 1463067 1625630 2275882 2438445 2926134 3413823 4389201 4876890 5689705 6827646 7315335 8778402 10241469 11379410 14630670 17069115 20482938 21946005 30724407 34138230 43892010 51207345 61448814 102414690 153622035 307244070