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2305107072 = 2734222329
BaseRepresentation
bin1000100101100101…
…0010010010000000
312221122110120110000
42021121102102000
514210101411242
61020422240000
7111060041532
oct21131222200
95848416400
102305107072
11a8319a074
12543b86000
132a97428a8
1417c1db852
15d757ea4c
hex89652480

2305107072 has 80 divisors (see below), whose sum is σ = 6859992150. Its totient is φ = 768365568.

The previous prime is 2305107071. The next prime is 2305107073. The reversal of 2305107072 is 2707015032.

It is an interprime number because it is at equal distance from previous prime (2305107071) and next prime (2305107073).

It can be written as a sum of positive squares in only one way, i.e., 2037980736 + 267126336 = 45144^2 + 16344^2 .

It is a super-2 number, since 2×23051070722 = 10627037226768826368, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2305107071) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 100797 + ... + 121532.

Almost surely, 22305107072 is an apocalyptic number.

It is an amenable number.

2305107072 is an abundant number, since it is smaller than the sum of its proper divisors (4554885078).

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

2305107072 is an equidigital number, since it uses as much as digits as its factorization.

2305107072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222355 (or 222334 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 2305107072 is about 48011.5306150512. The cubic root of 2305107072 is about 1320.9824091571.

The spelling of 2305107072 in words is "two billion, three hundred five million, one hundred seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 288 324 384 432 576 648 864 1152 1296 1728 2592 3456 5184 10368 222329 444658 666987 889316 1333974 1778632 2000961 2667948 3557264 4001922 5335896 6002883 7114528 8003844 10671792 12005766 14229056 16007688 18008649 21343584 24011532 28458112 32015376 36017298 42687168 48023064 64030752 72034596 85374336 96046128 128061504 144069192 192092256 256123008 288138384 384184512 576276768 768369024 1152553536 2305107072