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3455712540 = 2232572742629
BaseRepresentation
bin1100110111111001…
…1111110100011100
322220211112101102100
43031332133310130
524034130300130
61330523525100
7151431033450
oct31576376434
98824471370
103455712540
111513728a85
12805389790
13430c31427
1424ad50660
151535aec60
hexcdf9fd1c

3455712540 has 72 divisors (see below), whose sum is σ = 11979807840. Its totient is φ = 789876864.

The previous prime is 3455712527. The next prime is 3455712599. The reversal of 3455712540 is 452175543.

3455712540 is a `hidden beast` number, since 3 + 45 + 5 + 71 + 2 + 540 = 666.

It is a super-2 number, since 2×34557125402 = 23883898318226503200, which contains 22 as substring.

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 = 3455712495 and 3455712504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1370055 + ... + 1372574.

It is an arithmetic number, because the mean of its divisors is an integer number (166386220).

Almost surely, 23455712540 is an apocalyptic number.

3455712540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3455712540 is an abundant number, since it is smaller than the sum of its proper divisors (8524095300).

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

3455712540 is a wasteful number, since it uses less digits than its factorization.

3455712540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742651 (or 2742646 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 3455712540 is about 58785.3088790048. The cubic root of 3455712540 is about 1511.8633400883.

The spelling of 3455712540 in words is "three billion, four hundred fifty-five million, seven hundred twelve thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 2742629 5485258 8227887 10970516 13713145 16455774 19198403 24683661 27426290 32911548 38396806 41139435 49367322 54852580 57595209 76793612 82278870 95992015 98734644 115190418 123418305 164557740 172785627 191984030 230380836 246836610 287976045 345571254 383968060 493673220 575952090 691142508 863928135 1151904180 1727856270 3455712540