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1420974450 = 232527451103
BaseRepresentation
bin101010010110010…
…0101100101110010
310200000210222111100
41110230211211302
510402232140300
6353000225230
750133040440
oct12454454562
93600728440
101420974450
1166a115155
12337a6b216
131985135ac
14d6a11b90
1584b39700
hex54b25972

1420974450 has 72 divisors (see below), whose sum is σ = 4363077888. Its totient is φ = 324793440.

The previous prime is 1420974439. The next prime is 1420974463. The reversal of 1420974450 is 544790241.

It is a happy number.

1420974450 is a `hidden beast` number, since 1 + 4 + 209 + 7 + 445 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 222402 + ... + 228701.

It is an arithmetic number, because the mean of its divisors is an integer number (60598304).

Almost surely, 21420974450 is an apocalyptic number.

1420974450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420974450 is an abundant number, since it is smaller than the sum of its proper divisors (2942103438).

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

1420974450 is a wasteful number, since it uses less digits than its factorization.

1420974450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451128 (or 451120 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1420974450 is about 37695.8147544260. The cubic root of 1420974450 is about 1124.2479121392.

The spelling of 1420974450 in words is "one billion, four hundred twenty million, nine hundred seventy-four thousand, four hundred fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 175 210 225 315 350 450 525 630 1050 1575 3150 451103 902206 1353309 2255515 2706618 3157721 4059927 4511030 6315442 6766545 8119854 9473163 11277575 13533090 15788605 18946326 20299635 22555150 28419489 31577210 33832725 40599270 47365815 56838978 67665450 78943025 94731630 101498175 142097445 157886050 202996350 236829075 284194890 473658150 710487225 1420974450