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1907390052 = 223324177307
BaseRepresentation
bin111000110110000…
…0111011001100100
311220221002110021000
41301230013121210
512401242440202
6513133553300
765160355641
oct16154073144
94827073230
101907390052
11899743417
12452945830
13245220489
1414146cdc8
15b26bc91c
hex71b07664

1907390052 has 48 divisors (see below), whose sum is σ = 4947808320. Its totient is φ = 635446656.

The previous prime is 1907390047. The next prime is 1907390053. The reversal of 1907390052 is 2500937091.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1907389989 and 1907390016.

It is not an unprimeable number, because it can be changed into a prime (1907390053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257383 + ... + 264689.

It is an arithmetic number, because the mean of its divisors is an integer number (103079340).

Almost surely, 21907390052 is an apocalyptic number.

1907390052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1907390052 is an abundant number, since it is smaller than the sum of its proper divisors (3040418268).

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

1907390052 is a wasteful number, since it uses less digits than its factorization.

1907390052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9737 (or 9729 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 1907390052 is about 43673.6768774968. The cubic root of 1907390052 is about 1240.1660486964.

The spelling of 1907390052 in words is "one billion, nine hundred seven million, three hundred ninety thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2417 4834 7251 7307 9668 14502 14614 21753 21921 29004 29228 43506 43842 65259 65763 87012 87684 130518 131526 197289 261036 263052 394578 789156 17661019 35322038 52983057 70644076 105966114 158949171 211932228 317898342 476847513 635796684 953695026 1907390052