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3813052470 = 2352322324781
BaseRepresentation
bin1110001101000110…
…1001000000110110
3100211201221010122120
43203101221000312
530302120134340
61430210540410
7163330261023
oct34321510066
910751833576
103813052470
111687406837
128a4b97706
13489c87486
142825ac54a
15174b484d0
hexe3469036

3813052470 has 64 divisors (see below), whose sum is σ = 9592418304. Its totient is φ = 968204160.

The previous prime is 3813052469. The next prime is 3813052471. The reversal of 3813052470 is 742503183.

It is an interprime number because it is at equal distance from previous prime (3813052469) and next prime (3813052471).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813052471) 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, 141480 + ... + 166260.

It is an arithmetic number, because the mean of its divisors is an integer number (149881536).

Almost surely, 23813052470 is an apocalyptic number.

3813052470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3813052470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4796209152).

3813052470 is an abundant number, since it is smaller than the sum of its proper divisors (5779365834).

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

3813052470 is a wasteful number, since it uses less digits than its factorization.

3813052470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25037.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3813052470 is about 61749.9187853717. The cubic root of 3813052470 is about 1562.2753982868.

The spelling of 3813052470 in words is "three billion, eight hundred thirteen million, fifty-two thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 223 230 345 446 669 690 1115 1338 2230 3345 5129 6690 10258 15387 24781 25645 30774 49562 51290 74343 76935 123905 148686 153870 247810 371715 569963 743430 1139926 1709889 2849815 3419778 5526163 5699630 8549445 11052326 16578489 17098890 27630815 33156978 55261630 82892445 127101749 165784890 254203498 381305247 635508745 762610494 1271017490 1906526235 3813052470