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3142451220 = 223564181707
BaseRepresentation
bin1011101101001110…
…0000000000010100
322010000002001200020
42323103200000110
522413431414340
61235453345140
7140605252236
oct27323400024
98100061606
103142451220
111372917127
127384981b0
133b106c4bc
1421b4c8256
15135d319d0
hexbb4e0014

3142451220 has 48 divisors (see below), whose sum is σ = 8812698048. Its totient is φ = 836669440.

The previous prime is 3142451203. The next prime is 3142451237. The reversal of 3142451220 is 221542413.

It is an interprime number because it is at equal distance from previous prime (3142451203) and next prime (3142451237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394 + ... + 79313.

It is an arithmetic number, because the mean of its divisors is an integer number (183597876).

Almost surely, 23142451220 is an apocalyptic number.

3142451220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3142451220 is an abundant number, since it is smaller than the sum of its proper divisors (5670246828).

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

3142451220 is a wasteful number, since it uses less digits than its factorization.

3142451220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82360 (or 82358 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3142451220 is about 56057.5705859610. The cubic root of 3142451220 is about 1464.7252949343.

Adding to 3142451220 its reverse (221542413), we get a palindrome (3363993633).

The spelling of 3142451220 in words is "three billion, one hundred forty-two million, four hundred fifty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 641 1282 1923 2564 3205 3846 6410 7692 9615 12820 19230 38460 81707 163414 245121 326828 408535 490242 817070 980484 1225605 1634140 2451210 4902420 52374187 104748374 157122561 209496748 261870935 314245122 523741870 628490244 785612805 1047483740 1571225610 3142451220